// 不同设备像素比的 图片
@mixin bg-img($url) {
  background-image: url($url + "@2x.png");
  @media (-webkit-min-device-pixel-ratio: 3), (min-device-pixel-ratio: 3) {
    background-image: url($url + "@3x.png");
  }
}

// 1px 像素 border，CSS @media 控制缩放
@mixin border-1px($color) {
  position: relative;
  &::after {
    display: block;
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    border-top: 1px solid $color;
    content: '';
  }
}

// 隐藏展示1px像素border
@mixin border-none() {
  &::after {
    display: none;
  }
}

// 文字不折行
@mixin no-wrap() {
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

// 拓展小图标的点击区域
@mixin extend-click() {
  position: relative;
  &::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
  }
}
